Switch version-switch shebang

diff --git a/contrib/version-switch b/contrib/version-switch
index 4b143c97333a18ab2a5d99ce55f2a715ff0a8427..7f92a2a745f0a80190c91e2de970d04f8c63c7a3 100755 (executable)
--- a/contrib/version-switch
+++ b/contrib/version-switch
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 current=$(git tag | tail -n 1 | tail -c +2)
 grep -rl --exclude-dir=.git ${current} | \
   while read line; do